CVE-2025-9149 Wavlink WL-NU516U1 wireless.cgi sub_4032E4 command injection
Remote attackers can execute arbitrary commands on Wavlink WL-NU516U1 routers via the Guest_ssid parameter in wireless.cgi.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-9149?
CVE-2025-9149 is a medium-severity command injection vulnerability in Wavlink WL-NU516U1, published on 19 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was determined in Wavlink WL-NU516U1 M16U1_V240425. This impacts the function sub_4032E4 of the file /cgi-bin/wireless.cgi. This manipulation of the argument Guest_ssid causes command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
Which versions are affected by CVE-2025-9149?
It affects 1 product.
Products include Wavlink Wl-Nu516u1 Firmware.
How do I fix CVE-2025-9149?
No fix has been published for CVE-2025-9149 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-9149 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9149 exists.
Other vulnerabilities in Wavlink WL-NU516U1
- CVE-2026-3703 Wavlink NU516U1 login.cgi sub_401A10 out-of-bounds write
- CVE-2026-4861 Wavlink WL-NU516U1 nas.cgi ftext stack-based overflow
- CVE-2026-3612 Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection
- CVE-2026-3613 Wavlink WL-NU516U1 login.cgi sub_401A0C stack-based overflow
- CVE-2026-2615 Wavlink WL-NU516U1 firewall.cgi singlePortForwardDelete command injection
Sources
Also known as GHSA-8f9q-2v4r-6qgg.